Charles Foster (April 12, 1828 - January 9, 1904) - was a U.S. Republican politician from Ohio. Foster was the 35th Governor of Ohio, and later went on to serve as Secretary of the Treasury under Benjamin Harrison.

Foster was born outside of Tiffin, Ohio. He was elected to the United States House of Representatives in 1870, serving from 1871 to 1879. He was defeated for re-election in 1878, but was elected to the governorship a year later, serving two two-year terms between 1880 and 1884. Foster was unsuccessful in a bid to return to the House in 1890, but was appointed by Benjamin Harrison a year later to become Secretary of the Treasury upon the death of William Windom. Foster served out the remainder of Harrison's term before retiring.

Another Charles Foster (born 1936) was a well known continuity announcer for Granada television in the North West of England who also voiced several well known game shows (eg Raise the Roof) in the UK